From 97dba0eb8f8146411637100d15e1c096836b6121 Mon Sep 17 00:00:00 2001
From: Pavel Emelyanov <xemul@parallels.com>
Date: Tue, 11 Sep 2012 22:07:21 +0400
Subject: [PATCH] fd: Fast path post open

Check for post_open callback presense before any other checks.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
---
 files.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/files.c b/files.c
index a456a1290..606e13bac 100644
--- a/files.c
+++ b/files.c
@@ -329,15 +329,16 @@ static int post_open_fd(int pid, FdinfoEntry *fe, struct file_desc *d)
 {
 	struct fdinfo_list_entry *fle;
 
+	if (!d->ops->post_open)
+		return 0;
+
 	fle = file_master(d);
 	if ((fle->pid != pid) || (fe->fd != fle->fe->fd))
 		return 0;
 
-	if (d->ops->post_open && d->ops->post_open(d, fle->fe->fd))
-		return -1;
-
-	return 0;
+	return d->ops->post_open(d, fle->fe->fd);
 }
+
 static int open_fd(int pid, FdinfoEntry *fe, struct file_desc *d)
 {
 	int tmp;